Adjustable drives

  • 29-Sep-2011 07:37 EDT
Magnetek IMPULSE Series 4.jpg


Magnetek's Impulse Series 4 adjustable frequency drives are offered for open-loop vector or crane control for traverse motions and mechanical load brake hoists, or as a closed-loop flux vector control for non-mechanical brake hoists and high-performance motions. The drives incorporate safety features including Load Check II to continuously detect overload conditions throughout the frequency range, halting upward motion and only permitting load lowering. The Adaptive Ultra-Lift feature allows hoist operation above base speed with a light load or empty hook and continuously monitors motor torque and adjusts speed to maximize throughput. Safe Torque Off provides a redundant hardware safety circuit to remove motor and brake power when a switch or controller opens the drive input, eliminating the need for external disconnects.

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